Warped surfaces cannot be unrolled or unfolded to lie flat.

More Questions from Auxiliary Views

• The American Society of Mechanical Engineers provides a set of standards for using auxiliary views.
• An auxiliary view is an orthographic view that is not a standard projection.
• Auxiliary views of 3-dimensional parts can be easily created with AutoCAD.
• Any inclined surface can be shown in true shape when the appropriate auxiliary view is used.
• A double-curved surface is generated by a curved line and has straight-line elements.
• An intersection drawing is a flat representation or pattern that, when folded together, creates a 3D object.
• A ruled surface is one that may be generated by sweeping a generatrix along a path.
• Generally, hidden lines should be omitted in auxiliary views.
• A single-curved surface is a developable ruled surface that can be unrolled to coincide with a cylinder.
• The intersection of a plane and a circular cylinder is called a conic section.

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